fix: non existent chat page issue

backend/apps/web/routers/chats.py

@@ -75,7 +75,14 @@ async def get_chat_by_id(id: str, cred=Depends(bearer_scheme)):
 
     if user:
         chat = Chats.get_chat_by_id_and_user_id(id, user.id)
+
+        if chat:
             return ChatResponse(**{**chat.model_dump(), "chat": json.loads(chat.chat)})
+        else:
+            raise HTTPException(
+                status_code=status.HTTP_401_UNAUTHORIZED,
+                detail=ERROR_MESSAGES.NOT_FOUND,
+            )
     else:
         raise HTTPException(
             status_code=status.HTTP_401_UNAUTHORIZED,

backend/constants.py

@@ -26,5 +26,6 @@ class ERROR_MESSAGES(str, Enum):
     ACTION_PROHIBITED = (
         "The requested action has been restricted as a security measure."
     )
+    NOT_FOUND = "We could not find what you're looking for :/"
     USER_NOT_FOUND = "We could not find what you're looking for :/"
     MALICIOUS = "Unusual activities detected, please try again in a few minutes."

src/routes/(app)/c/[id]/+page.svelte

@@ -71,8 +71,12 @@
 
 	const loadChat = async () => {
 		await chatId.set($page.params.id);
-		chat = await getChatById(localStorage.token, $chatId);
+		chat = await getChatById(localStorage.token, $chatId).catch(async (error) => {
+			await goto('/');
+			return null;
+		});
 
+		if (chat) {
 			const chatContent = chat.chat;
 
 			if (chatContent) {
@@ -106,6 +110,7 @@
 			} else {
 				return null;
 			}
+		}
 	};
 
 	const copyToClipboard = (text) => {